About the Number

201171390

201171389 ← → 201171391

2進数表記:1011111111011010000110111110

漢数字表記:二億百十七万千三百九十

素因数分解:

2 1 × 3 1 × 5 1 × 7 1 × 957959 1

素因数の和:957976
約数の個数: 32
約数和(自身を含む): 551784960
約数和(自身を除く): 350613570

約数列:
[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 957959, 1915918, 2873877, 4789795, 5747754, 6705713, 9579590, 13411426, 14369385, 20117139, 28738770, 33528565, 40234278, 67057130, 100585695, 201171390]

約数ペア:
[(1, 201171390), (2, 100585695), (3, 67057130), (5, 40234278), (6, 33528565), (7, 28738770), (10, 20117139), (14, 14369385), (15, 13411426), (21, 9579590), (30, 6705713), (35, 5747754), (42, 4789795), (70, 2873877), (105, 1915918), (210, 957959)]

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